butanediol

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲与1,3-在钒磷氧催化剂作用下的缩化反应进行了研究,考察了比、反应时间、催化剂用量、带水剂种类和体积等因素对苯甲1,3-缩收率的影响。

And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender).

以尿素为扩链剂，合成了一系列聚氨酯脲热塑性弹性体及其硬段模型化合物。

The esterification of palmic acid and 1,4-butanediol was carried out in the (DBSA)/palmic acid/water microemulsion system,resulting in the synthesis of 1,4-butanediyl diester of palmic acid.

在棕榈酸/十烷基苯磺酸(DBSA)/水微乳液中,研究了DBSA催化下棕榈酸和1,4-的酯化反应,合成了标题化合物。